Multimedia / Video

8 July 2015

Yes, a warming planet can mean extreme weather

How can a barely perceptible rise in air temperature lead to more extreme weather? This animated video illustrates how an average temperature rise of .8 degrees Celsius at the Earth’s...

3 June 2015

Space weapons and nuclear war

Amid tension between nuclear-armed nations, one side uses antisatellite weapons to disable its adversary's space assets. Is it seeking advantage in a conventional conflict—or preparing a nuclear...

27 May 2015

The official Castle

A very 1950s, newsreel-style film that explains what the Castle series of nuclear tests were all about—at least, according to the US Air Force and...

11 May 2015

Listening in on the nuclear underground

A global network of seismic and infrasound monitoring stations listens constantly for underground clues that a nuclear test has taken place. Set up by the Comprehensive Test Ban Treaty...

28 April 2015

The NPT in review

Why this year's Non-Proliferation Treaty Review Conference is likely to be contentious 

7 April 2015

The Iranian fact sheet that wasn't

Ariane Tabatabai clears up the confusion about an Iranian fact sheet that supposedly contradicts a US fact sheet on the Iran framework...

22 March 2015

Introduction: the Doomsday Dashboard

A guide to the Bulletin's newest multimedia offering, the Doomsday Dashboard, which offers information on nuclear weapons and materials, climate change, biosecurity, and emerging threats...

1 March 2015

Introduction: Nuclear Notebook interactive

A video tour of our new interactive presentation on world nuclear arsenals since World War II

22 January 2015

It is 3 minutes to midnight

Watch streaming video of the 2015 Doomsday Clock announcement here, starting at 11 a.m. on Thursday,...